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Contract OI history

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Dec 15, 2028 EXPIRATION

PFE $15.00 Put

PFE281215P00015000

Latest saved OI1,491Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $15.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,4917450 2026-10-02: 209 OI2026-10-05: 1,460 OI2026-10-06: 1,460 OI2026-10-07: 1,461 OI2026-10-08: 1,461 OI2026-10-09: 1,476 OI2026-10-13: 1,481 OI2026-10-14: 1,481 OI2026-10-15: 1,482 OI2026-10-16: 1,483 OI2026-10-21: 1,488 OI2026-10-23: 1,491 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

PFE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,491+3
Oct 21, 20261,488+5
Oct 16, 20261,483+1
Oct 15, 20261,482+1
Oct 14, 20261,4810
Oct 13, 20261,481+5
Oct 09, 20261,476+15
Oct 08, 20261,4610
Oct 07, 20261,461+1
Oct 06, 20261,4600
Oct 05, 20261,460+1,251
Oct 02, 2026209No prior observation